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33 results about "Gyrotron" patented technology

A gyrotron is a class of high-power linear-beam vacuum tubes which generates millimeter-wave electromagnetic waves by the cyclotron resonance of electrons in a strong magnetic field. Output frequencies range from about 20 to 527 GHz, covering wavelengths from microwave to the edge of the terahertz gap. Typical output powers range from tens of kilowatts to 1–2 megawatts. Gyrotrons can be designed for pulsed or continuous operation. The gyrotron was invented by soviet scientists at NIRFI, based in Nizhny Novgorod, Russia.

High-power and frequency-adjustable gyrotron loading test system for nuclear fusion

The invention discloses a high-power and frequency-adjustable gyrotron loading test system for nuclear fusion, which relates to the technical field of nuclear fusion and comprises a 2-megawatt coaxial gyrotron with adjustable frequency of 170 / 240GHz and a loading test platform. The loading test platform comprises a gyrotron part loading system, a strong magnet system, a vacuumizing system, a power supply system, a load system, a cooling system, a monitoring and diagnosing system and a control system. The component loading system is used for precise assembly; the strong magnet system provides an adjustable strong magnetic field; the vacuumizing system maintains ultrahigh vacuum; the power supply system comprises a cathode power supply and a body power supply, and the body power supply is used as a high-voltage amplifier to realize 10kHz rapid power modulation; the cooling system provides independent active cooling; the load system simulates a real load; comprehensive detection of the monitoring and diagnosis system; and the control system realizes coordinated control and rapid protection. According to the invention, a complete solution is provided for development, test, operation and maintenance of the 2-megawatt-level and frequency-adjustable gyrotron.
Owner:XIANGTAN SHUANGCHAO QUENCHED ROCK NEW ENERGY TECHNOLOGY CO LTD

Multi-pipe ECRH system thermal load management method and system based on low-power basic operation

ActiveCN121331503AThermonuclear fusion reactorHeat managementElectron cyclotron resonance
The invention provides a multi-tube ECRH system thermal load management method based on low-power basic operation, and belongs to the field of electron cyclotron resonance heating systems. When the target total power and the operation duration are received, a time period is judged, one gyrotron is dispatched in turn as a rest gyrotron, and the other gyrotrons are dispatched as working gyrotrons; the method comprises the following steps: periodically collecting the operation power and the collector temperature of each gyrotron, calculating the accumulated thermal load of each gyrotron, calculating the thermal load relative deviation of each gyrotron based on the average thermal load of all gyrotrons at the end of each time window, marking the gyrotron with the thermal load relative deviation exceeding a threshold value as a gyrotron to be adjusted, and adjusting the gyrotron to be adjusted according to the thermal load relative deviation. According to the thermal load relative deviation of the gyrotron to be adjusted, the adjustment amount is calculated, the operation power of the gyrotron to be adjusted is adjusted, and the operation power of all the working tubes is dynamically adjusted; the invention further provides a thermal load management system. And the contradiction between quick response and heat management and between power stability and heat balance is broken through.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

System and method for distance determination within borehole

Systems and methods for performing MMWD using a gyrotron to provide electromagnetic waves into a borehole via a waveguide during formation of the borehole are provided herein. Radar or acoustic signal processing techniques may be used to determine the depth of the borehole and the distance between the waveguide and the bottom of the borehole. Radar and acoustic signal sources may be configured to transmit measurement signals into the waveguide simultaneously with the electromagnetic waves transmitted by the gyrotron, eliminating the need for downhole sensing equipment and eliminating the need for drilling operation downtime to perform diagnostic depth measurements.
Owner:QUAISE INC

A gyrotron component loading table

ActiveCN224393855UImprove assembly efficiencyAccurately pick up the assemblyControl devices for conveyorsRobot handPipe
The utility model discloses a gyrotron component loading platform belongs to gyrotron component assembly automation production equipment technical field, this gyrotron component loading platform includes loading frame, is provided with a plurality of material disc on loading frame, is provided with a plurality of circular grooves on every material disc, every material disc is matched with a gyrotron component, and a plurality of circular grooves are used for installing all different cylindrical rotator parts in single gyrotron component, when actually using, the manipulator can find the required part according to the preset program quickly, accurately and take, can satisfy the requirement of automation production, realizes the efficient automation assembly of gyrotron component. Compared with the need in manual assembly in a large number of tooling fixtures to find and take parts, greatly shorten the taking time, improve the assembly efficiency. Avoid the use of a large number of tooling fixtures in traditional manual assembly, reduce the cost of making new tooling fixtures due to new pipe type development, reduce the production cost of gyrotron.
Owner:SICHUAN JANUOCHUANG TECH CO LTD

Vacuum tube technology

PendingJP2026529011AResonant cavityPumping vacuum
A gyrotron component (100) is assembled, comprising: (a) a vacuum tube (110) including (i) a resonant cavity (130) at least partially defined by a tubular component (132); (ii) an electron gun chamber (120) hermetically sealed to the gun end of the tubular component such that its interior is continuous with the interior of the resonant cavity; and (iii) a collector chamber (140) hermetically sealed to the collector end of the tubular component such that its interior is continuous with the interior of the resonant cavity; and (b) an electromagnet coil 152 arranged around the outside of the tubular component. After the gyrotron assembly is assembled, the vacuum tube is vacuumed by (i) applying a vacuum to the vacuum tube and (ii) baking the vacuum tube by selectively heating the electron gun chamber and the collector chamber. Other embodiments are also described.

Sub-surface gyrotron drill for deep microwave drilling

PCT designated stageWO2026114834A1Thermal drillingWell drillingElectron bunches
A drill head (1) and corresponding method for drilling a borehole (2) into a sub-surface formation (3) comprises at least one drill housing (4) configured to be arranged sub-surface, and at least one gyrotron (5, 5a, …). The gyrotron (5, 5a, …) comprises an electron gun (6) configured to produce an electron beam, at least one magnet (7) configured to produce a magnetic field, and a cavity (8) configured to receive the electron beam and to generate microwaves by a resonance coupling between the electron beam and the magnetic field produced by the magnet (7). The microwaves are injectable into the sub-surface formation (3) for drilling the borehole (2). The gyrotron (5, 5a, …) is at least partially arranged in the drill housing (4) such, that the microwaves are generated sub-surface.
Owner:RESONANCE EXPLORATION TECHNOLOGIES AG

A gyrotron type impact device

The application relates to the technical field of battery pack testing, in particular to a cyclotron type impact device which comprises a base, an arc-shaped track which is semicircular, an acceleration track which is semicircular and is vertically slidably connected to the base, an impact track which is vertically slidably connected to the base and is located above the acceleration track, one end of the impact track is matched with an outlet, and the other end is vertically upwardly provided with an impact head, an acceleration rod which is rotatably connected to the base, a rotating shaft which is vertically rotatably connected to the base and is controlled by an acceleration motor and is located at the center of the arc-shaped track, one end of the acceleration rod is mounted on the rotating shaft, and the other end of the acceleration rod is provided with an acceleration plate used for pushing a ball. The ball can be accelerated by rolling in the whole-circular track for unlimited times, the acceleration effect of the ball is not limited, the rolling number of the ball can be selected according to experimental requirements, the speed of the ball can be changed, and the application range is wide.
Owner:SHANGHAI TONGMIN VEHICLE TESTING TECH CO LTD +1

Gyrotron structure based on gradient output section and second harmonic electromagnetic wave generation method thereof

The invention discloses a gyrotron structure based on a gradual change output section and a second harmonic electromagnetic wave generation method thereof. The gyrotron structure comprises an open type gyrotron resonator with a three-section cavity structure, the open type cyclotron resonator comprises a cut-off section cavity of an inclined annular open type metal structure, an interaction section cavity of an open type metal cylindrical waveguide structure and an output section cavity of an inclined gradual change annular open type metal structure. The cut-off section cavity, the interaction section cavity and the output section cavity are sequentially connected end to end from left to right. According to the invention, three cavity structures which are combined in sequence are adopted to form the open-type cyclotron resonator, so that high-power electromagnetic waves can be generated at 263 GHz, and the open-type cyclotron resonator has the characteristic of second harmonic operation; the open-type rotary resonance device with the three-section cavity structure is composed of an inclined annular open-type metal structure cut-off section, a cylindrical waveguide structure interaction section and an inclined gradual change annular open-type metal structure output section which are sequentially connected end to end from left to right. The gyrotron structure is simple in design and low in cost, and solves the problem of low output efficiency caused by the fact that second harmonic terahertz wave band electromagnetic waves generated by an existing gyrotron structure are difficult to be compatible with high beam-wave interaction efficiency and a suppression competition mode.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

A gyrotron commissioning system and method

PendingCN122652199ALoop controlGyrotron
The application discloses a gyrotron maturation debugging system and method, belongs to the technical field of microwave vacuum electron device testing and maturation, integrates the gas removal maturation, power measurement and protection of the gyrotron, and operates the cathode power supply and the anode power supply in a modulation mode with a settable total pulse width, modulation period and duty cycle, takes the titanium pump current as a vacuum feedback quantity and sets multiple threshold values, automatically reduces the duty cycle, shortens the wave emission time and increases the exhaust time when the titanium pump current exceeds the first threshold value, and automatically stops when the titanium pump current exceeds the second threshold value, so that the closed-loop control of the self-adaptive slowing down first and the protection shutdown later is formed; the water load calorimetry method is used in combination with the integral method to solve the thermal equilibrium problem under the short pulse, and the power calibration is completed in the same process; the wave-free protection is automatically switched according to the output power level, the threshold value is self-calibrated by the actually measured detection voltage in the high-power stage, and the protection is enabled; and the application can improve the flexibility, consistency and reliability of the gyrotron maturation, and significantly improve the maturation efficiency.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

Rotary acceleration type impact device

The invention relates to the technical field of battery pack testing, in particular to a rotary acceleration type impact device which comprises a base, a rotary acceleration mechanism and a rotary acceleration mechanism. The arc-shaped track is semicircular; the acceleration track is semicircular, and the acceleration track is vertically connected to the base in a sliding mode; the impact track is located above the acceleration track and is vertically and slidably connected with the base, one end of the impact track is matched with the outlet, and the other end of the impact track is vertically and upwards provided with an impact head; the acceleration rod is rotationally connected to the base, a rotating shaft which is located at the circle center of the arc-shaped track and controlled by an acceleration motor is vertically and rotationally connected to the base, one end of the acceleration rod is installed on the rotating shaft, and an acceleration plate used for pushing the ball is arranged at the other end of the acceleration rod. The ball body can roll and accelerate in the whole circular track for unlimited times, the acceleration effect of the ball body is not limited, the number of rolling circles of the ball body can be selected according to experiment requirements, and therefore the speed of the ball body is changed, and the application range is wide.
Owner:SHANGHAI TONGMIN VEHICLE TESTING TECH CO LTD +1

Compact gyrotron terahertz source device based on pulsed intense magnetic field

ActiveCN121122984BTransit-time tubesResonant cavityHemt circuits
The application belongs to the technical field of electric vacuum devices, and discloses a compact gyrotron terahertz source device based on a pulsed strong magnetic field, which comprises a power supply unit and a gyrotron tube body; a cathode for generating an electron beam and a resonant cavity serving as an electron beam channel are arranged on the gyrotron tube body, and the outer side circumferential wall of the electron beam channel of the gyrotron tube body serves as an anode; a coil unit for generating a pulsed magnetic field is arranged on the outer side circumferential wall of the electron beam channel of the gyrotron tube body; the coil unit comprises a continuous electric conductor, and the electric conductor is helically wound around the gyrotron tube body for multiple turns; the coil unit and the gyrotron tube body are connected in series in the same circuit, so that the current generated by the same power supply sequentially flows through the coil unit and the gyrotron tube body, thereby effectively solving the problems of complex structure, poor synchronous control precision and large energy loss of the conventional double-power-supply system, and improving the working reliability and energy utilization efficiency of the terahertz source device.
Owner:INST OF APPLIED ELECTRONICS CHINA ACAD OF ENG PHYSICS

Method and system for fast voltage regulation of gyrotron based on long pulse power forbidden zone prediction

ActiveCN121619724BImprove startup success rateshort stayNuclear energy generationPlasma techniqueAnode voltageStatistical analysis
The application provides a gyrotron fast voltage regulating method based on long pulse power forbidden zone prediction, belongs to the field of nuclear fusion plasma heating, and comprises the following steps: setting a target power, determining the adjustment range of the anode voltage of the gyrotron based on the target power; starting the gyrotron until the power of the gyrotron reaches a safe advance point, the safe advance point is located before the starting boundary of the power forbidden zone, and the anode voltage of the gyrotron is adjusted to the target voltage at one time according to the adjustment range; under the target voltage, the power of the gyrotron rapidly climbs to the target power after crossing the power forbidden zone and enters long pulse steady-state operation; and the system is also provided; the power forbidden zone and the safe advance point of long pulse operation are identified through statistical analysis, the anode voltage is adjusted at one time predictively when the starting process reaches the safe advance point, the power forbidden zone is quickly regulated after the voltage of the gyrotron is raised, and the gyrotron directly reaches the target power stable region, so that the long pulse starting success rate is significantly improved, the failure risk is reduced, and the starting time is shortened.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

Fusion reactor ECRH system gyrotron power prediction method and system

The invention discloses a fusion reactor ECRH system gyrotron power prediction method and a fusion reactor ECRH system gyrotron power prediction system. The method comprises the following steps: preprocessing collected gyrotron data; performing parameter selection and weight distribution on the preprocessed data; performing data length constraint, signal stability constraint and stable area proportion constraint on the selected and weighted parameters, and screening data meeting the triple engineering constraint conditions as steady-state operation data; grading the steady-state operation data according to the stability ratio and the relative standard deviation, and selecting a data set trained by the deep learning model according to the grade sequence of grading; inputting the data set into a deep learning model, adjusting hyper-parameters of the deep learning model by using a whale optimization algorithm, training the deep learning model, and inputting gyrotron data collected in real time into the trained deep learning model to obtain predicted gyrotron power; the method has the advantage that the prediction precision and efficiency are improved.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

Pre-cavity electron beam channel structure for suppressing parasitic oscillation of high-power gyrotron

The invention discloses a pre-cavity electron beam channel structure for suppressing parasitic oscillation of a high-power gyrotron. The structure comprises a cathode end electron beam channel cylinder and a resonant cavity end electron beam channel cylinder which are communicated with each other, the cathode end electron beam channel cylinder comprises a cathode end outer cylinder and a cathode end inner cylinder which are sleeved and fixed together, and a first channel in a conical cylinder shape is formed in the cathode end outer cylinder; the resonant cavity end electron beam channel cylinder comprises a resonant cavity end outer cylinder and a resonant cavity end inner cylinder which are sleeved and fixed together, a second channel of a kidney-shaped cylindrical structure is formed in the resonant cavity end inner cylinder, the inner diameter of the second channel is gradually reduced from the two ends to the middle, and the interior of the resonant cavity end inner cylinder is further concaved inwards to form a plurality of inner holes which are not symmetric about the central axis. When the structure is used, the problems that in the prior art, a gyrotron parasitic oscillation suppression mode is complex in machining and high in cost, and parasitic oscillation of a low-frequency band cannot be effectively suppressed are solved.
Owner:HUADONG PHOTOELECTRIC TECHN INST OF ANHUI PROVINCE

Rapid gyrotron voltage regulation method and system based on long pulse power forbidden zone prejudgment

The invention provides a gyrotron rapid voltage regulation method based on long pulse power forbidden zone prejudgment, and belongs to the field of nuclear fusion plasma heating, and the method comprises the steps: setting target power, and determining the adjustment amplitude of the gyrotron anode voltage based on the target power; starting the gyrotron until the power of the gyrotron reaches a safety advance point which is located before the starting boundary of the power forbidden zone, and adjusting the anode voltage of the gyrotron to the target voltage at one time according to the adjustment amplitude; under the target voltage, the power of the gyrotron rapidly passes through a power forbidden zone and then climbs to the target power, and enters long-pulse steady-state operation; the invention further provides a system. A power forbidden zone and a safety advance point of long pulse operation are identified through statistical analysis, and the anode voltage is pre-judged and adjusted at one time when the safety advance point is reached in the starting process, so that the gyrotron quickly adjusts the voltage of the power forbidden zone after boosting, and directly reaches a target power stable zone; therefore, the long-pulse starting success rate is obviously improved, the fault risk is reduced, and the starting time is shortened.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

Method and device for testing circulation of electron beam of gyrotron system

ActiveCN121545978ATube/lamp factory adjustmentRadiation particle trackingResonant cavityMechanical engineering
The invention belongs to the technical field of gyrotron adjustment, and particularly discloses a gyrotron system electron beam circulation test method and device. The method is applied to the gyrotron system, the gyrotron system comprises a gyrotron body, the gyrotron body comprises an electron gun area, a resonant cavity area and a collector area, and the method comprises the following steps: when the gyrotron system is in a running state and the gyrotron body meets a first resistance balance condition, starting the electron gun area; respectively acquiring first current data of ground diversion of the collector region and second current data of ground diversion of the electron gun region; performing comparative analysis according to the first current data and the second current data, and determining an electron beam circulation test result of the gyrotron system; wherein the first resistance balance condition is that the sum of the resistances of the collector region and the ground diversion loop is equal to the sum of the resistances of the resonant cavity region, the electron gun region and the ground diversion loop of the electron gun region. According to the invention, the precision of the electron beam circulation test result can be greatly improved, the test effect is stable, and the economic cost is low.
Owner:HUAZHONG UNIV OF SCI & TECH

Sensing end structure of a target, beam testing device and beam control method

The present application relates to the technical field of cyclotron and discloses a sensing end structure of a target, a beam test device and a beam regulation method, the sensing end structure of the target comprises a plurality of target fingers, the plurality of target fingers are parallel to a first direction, two adjacent target fingers are arranged at intervals in a second direction, and the plurality of target fingers are sequentially arranged in a third direction; wherein, in a projection plane orthogonal to the second direction, each target finger projects to form a target finger projection in the second direction, and the boundaries of two adjacent target finger projections coincide with each other in the third direction. The sensing end structure of the target overcomes the technical problem that the axial distribution measurement accuracy of the beam is not high, through specific arrangement of the plurality of target fingers, the axial distribution of the beam under narrow pulse state can be accurately measured, and debugging of deflection devices such as a spiral deflection plate voltage and an electrostatic deflection mirror is guided.
Owner:中子科学(重庆)研究院有限公司

A gyrotron integrated test analysis method

PendingCN122109763Areduce overdependenceImprove normativeComplex mathematical operationsIndividual semiconductor device testingMicrowaveElectron cyclotron resonance
The application discloses a gyrotron integrated test analysis method, and belongs to the field of high-power microwave device testing. The method designs a steady-state working condition debugging starting point according to a starting current curve; and combines experimental power measurement data to correct a simulated power characteristic surface. The method provided by the application combines theoretical simulation with experimental data, realizes rapid identification and optimization of gyrotron working characteristics, improves debugging efficiency and precision, and is suitable for engineering debugging and operation optimization of an electron cyclotron resonance heating system. The method has the advantages of process standardization, high safety and strong migration, and can improve debugging efficiency, enhance calibration precision and reliability.
Owner:HUAZHONG UNIV OF SCI & TECH

Automatic identification method and system for steady operation stage of gyrotron and power prediction method

ActiveCN121350805BTesting dielectric strengthTransit-time tubesElectron cyclotron resonanceControl signal
The application provides a gyrotron steady-state operation stage automatic identification method, and belongs to the field of electron cyclotron resonance heating systems. Control signals and power waveforms of single discharge of a gyrotron are read, and a search range of a steady-state stage is positioned on the power waveforms based on control signal parameters. In the search range, sliding window scanning is performed, the relative standard deviation of power in each sliding window is calculated, and sliding windows with a relative standard deviation less than a threshold value are marked as stable windows. At least N one continuous stable window is identified as a continuous stable section, N a set number, and a continuous stable section with a total steady-state duration longer than a set duration is identified as a steady-state section. A steady-state section with the longest total steady-state duration is identified as a gyrotron steady-state operation stage. The application also provides a gyrotron steady-state operation stage automatic identification system and a gyrotron power prediction method. The problems of high cost, low efficiency and poor universality of a gyrotron steady-state identification method are solved.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

A high power millimeter wave quasi-optical matching unit

The present application relates to the technical field of high-power millimeter wave, and particularly relates to a high-power millimeter wave quasi-optical matching unit. The technical scheme comprises a matching unit body, corrugated circular waveguides and circular waveguides are arranged on the two sides of the unit body respectively, the matching unit body comprises an input window, a phase correction mirror, an output window, a support adjusting assembly and a plurality of load porcelain tubes, the phase correction mirror comprises a reflecting mirror one and a reflecting mirror two, the phase correction mirror is designed by using an adaptive optimization iterative algorithm, efficient conversion of the high-power gyrotron quasi-Gaussian mode beam to a TEM11 mode beam is realized, energy utilization is improved, and beam transmission indexes are guaranteed; six support adjusting assemblies are arranged, the mirror and the radiation inlet position can be finely adjusted, process errors and beam deviations can be adapted, system adaptability and fault tolerance are improved, and output beam parameter stability is ensured.
Owner:INST OF ENERGY HEFEI COMPREHENSIVE NAT SCI CENT (ANHUI ENERGY LAB)

Gyrotron system comprising integrated superconducting magnet and cavity

PCT designated stageWO2026012678A1Transit-tube vessels/containersTransit-tube cooling methodsMicrowaveSuperconducting Coils
A gyrotron system (1) comprises a housing (2), an electron gun (3) configured to produce an electron beam, at least one magnet (4) configured to produce a magnetic field, and a cavity (5) configured to receive the electron beam, and wherein microwaves and / or Terahertz waves (16) are generatable in the cavity (5) by a resonance coupling between the electron beam and the magnetic field produced by the magnet (4). The magnet (4) is a superconducting magnet that is configured to exhibit superconductivity upon cooling below its critical temperature and that is arranged around the cavity (5), and the cavity (5) and the superconducting magnet (4) are arranged within the housing (2).
Owner:ETH ZURICH

A gyrotron assembly platform

The utility model discloses a gyrotron assembly platform belongs to gyrotron component assembly automation production equipment technical field, the gyrotron assembly platform includes marble platform frame, bottom positioning platform subassembly, middle assembly jaw subassembly, upper assembly jaw subassembly and press machine pressing mechanism, the gyrotron assembly platform cooperation robot uses, can automatically assemble the different cylindrical parts in gyrotron, can satisfy the requirement of automation production, realizes the efficient automation assembly of gyrotron component, replaces traditional manual assembly gyrotron, improves the assembly efficiency and assembly accuracy of gyrotron component, solves the problem of complicated operation, low efficiency and high cost when traditional manual assembly gyrotron.
Owner:SICHUAN JANUOCHUANG TECH CO LTD

Automatic identification method and system for steady-state operation stage of gyrotron and power prediction method

ActiveCN121350805ATesting dielectric strengthTransit-time tubesControl signalElectron cyclotron resonance
The invention provides an automatic identification method for a steady-state operation stage of a gyrotron, and belongs to the field of electron cyclotron resonance heating systems, and the method comprises the steps: reading a control signal and a power waveform of single discharge of the gyrotron, and positioning a search range of the steady-state stage on the power waveform based on a control signal parameter; sliding window scanning is carried out in the search range, the relative standard deviation of power in each sliding window is calculated, and the sliding windows with the relative standard deviation smaller than a threshold value are marked as stable windows; at least N continuous stable windows are recognized as continuous stable sections, N is a set number, the continuous stable sections with the total steady-state duration exceeding the set duration are recognized as steady-state sections, and the steady-state section with the longest total steady-state duration is recognized as a gyrotron steady-state operation stage; the invention also provides a gyrotron steady-state operation stage automatic identification system and a gyrotron power prediction method. The problems that a gyrotron steady state identification method is high in cost, low in efficiency and poor in universality are solved.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

Design method of gyrotron traveling wave tube high-frequency structure based on discrete dot matrix control

The invention discloses a discrete dot matrix control-based gyrotron traveling wave tube high-frequency structure design method, and relates to the technical field of microwave, millimeter wave and terahertz vacuum devices. The method comprises the following steps: determining a non-linear section frequency range according to a working frequency band, and selecting a given magnetic field mode or a structure and magnetic field collaborative optimization mode; discrete magnetic field point / structure point initial parameters are set, and an initial magnetic field curve and a high-frequency structure contour are generated through interpolation; a genetic algorithm is adopted for iterative optimization, to-be-optimized parameters are coded as chromosomes, in-band orbit efficiency weighted integral is used as a fitness function, an optimal solution is obtained through selection, crossover and mutation operators, and the design of the gyrotron traveling wave tube high-frequency structure is completed. Accurate matching is achieved through discrete dot matrix joint modeling, the two modes adapt to different engineering requirements, the bandwidth is remarkably widened, the transduction efficiency is improved, and the method is suitable for design of a high-power and high-efficiency broadband gyrotron traveling wave tube.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Thermal load management method and system for multi-tube ECRH system operating on low power basis

ActiveCN121331503BThermonuclear fusion reactorHeat managementElectron cyclotron resonance
The application provides a multi-tube ECRH system thermal load management method based on low-power foundation operation, belongs to the field of electron cyclotron resonance heating systems, and sequentially starts the gyrotron to the foundation power; when the target total power and operation duration are received, a time period is determined, one gyrotron is scheduled as a rest tube in turn, and the rest gyrotrons are working tubes; the operation power and collector temperature of each gyrotron are periodically collected, the cumulative thermal load of each gyrotron is calculated, at the end of each time window, the thermal load relative deviation of each gyrotron is calculated based on the average thermal load of all gyrotrons, the gyrotron with the thermal load relative deviation exceeding a threshold value is marked as a to-be-adjusted gyrotron, the adjustment amount is calculated according to the thermal load relative deviation of the to-be-adjusted gyrotron, the operation power of the to-be-adjusted gyrotron is adjusted, and the operation power of all working tubes is dynamically adjusted; and the thermal load management system is also provided; the contradiction between fast response and thermal management, power stability and thermal balance is broken through.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

Terahertz gyrotron traveling wave tube low velocity zero spread magnetic control injection electron gun and design method

ActiveCN119400670BTransit-tube electron/ion gunsInternal combustion piston enginesParticle physicsVacuum electronics
The application discloses a gyrotron traveling wave tube low-speed zero dispersion magnetic control injection electron gun and a design method, and belongs to the field of vacuum electron devices. The electron gun comprises a cathode and an anode; the cathode comprises a cathode bottom table, a rear forming pole, an emission band and a front forming pole, wherein the radius of the cathode bottom table is greater than that of the rear forming pole, the emission band bus is a circular arc curve, and the overall surface of the front forming pole is a circular arc surface; in addition, in the design of the cathode, twice modeling is carried out, and partial parameters are simulated and optimized respectively, so that the parameters of the one-time simulation and optimization process are reduced, the optimization target is more clear, the design difficulty is effectively reduced, and the design time is shortened. The application effectively solves the problem of excessively high electric field in the gun area of the electron gun due to excessively small size of the cathode, simultaneously solves the adverse influence of the sudden change structure of the cathode on the surface electric field of the emission band, and effectively reduces the speed zero dispersion of the electron gun.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

A high-power, frequency-adjustable gyrotron loading test system for nuclear fusion

This invention discloses a high-power, frequency-tunable gyrotron loading test system for nuclear fusion, relating to the field of nuclear fusion technology. It includes a 2-megawatt, 170 / 240 GHz frequency-tunable coaxial gyrotron and a loading test platform. The loading test platform comprises a gyrotron component loading system, a strong magnet system, a vacuum system, a power supply system, a load system, a cooling system, a monitoring and diagnostic system, and a control system. The component loading system is used for precise assembly; the strong magnet system provides an adjustable strong magnetic field; the vacuum system maintains an ultra-high vacuum; the power supply system includes a cathode power supply and a bulk power supply, with the bulk power supply acting as a high-voltage amplifier to achieve 10 kHz rapid power modulation; the cooling system provides independent active cooling; the load system simulates a real load; the monitoring and diagnostic system performs comprehensive testing; and the control system achieves coordinated control and rapid protection. This invention provides a complete solution for the development, testing, operation, and maintenance of a 2-megawatt, frequency-tunable gyrotron.
Owner:XIANGTAN SHUANGCHAO QUENCHED ROCK NEW ENERGY TECHNOLOGY CO LTD

Miniaturized integrated cyclotron

ActiveUS12532403B2Multiple-port networksTransversal filtersSemiconductorMaterials science
An electronic device includes a first resonator electrode and a second resonator electrode in an interconnect stack over a semiconductor substrate. The first resonator electrode includes a first lower resonator electrode, a first upper resonator electrode and a first plurality of vias between the first lower resonator electrode and the first upper resonator electrode. The second resonator electrode includes a second lower resonator electrode, a second upper resonator electrode, and a second plurality of vias between the second lower resonator electrode and the second upper resonator electrode. A cavity in the interconnect stack is bounded by the first resonator electrode and the second resonator electrode. An electron emitter extends from the semiconductor surface between the first and second resonator electrodes and is configured to direct electrons into the cavity. The electronic device may be operated to produce short wavelength radiation, e.g. x-rays.
Owner:TEXAS INSTRUMENTS INC

Gyrotron power supply noise suppression method and system and EPICS control system

The invention discloses a gyrotron power supply noise suppression method and system and an EPICS control system, and the method comprises the steps: obtaining a noise-containing electric signal outputted by a power supply unit, and dividing the electric signal into a high-frequency noise electric signal and a low-frequency noise electric signal through a spectrum analysis method; the high-frequency noise electric signal and the low-frequency noise electric signal are transmitted to an EPICS control system, and input is provided for a subsequent noise suppression strategy; the noise suppression strategy comprises the following steps: filtering low-frequency noise electric signals by adopting a double optimization recursive least square method; and filtering the high-frequency noise electric signal by adopting a residual self-adaptive threshold Kalman filtering algorithm. According to the invention, real-time response can be realized in a complex electromagnetic environment, and the stability and the anti-interference capability of the system can be remarkably improved.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

A wide-range adjustable gyrotron traveling wave tube superconducting magnet magnetic position type device

ActiveCN119028792Bincrease axial distanceWide range of changesTravelling-wave tubesSuperconducting CoilsAxial distance
This invention relates to the field of vacuum electronics technology, specifically to a wide-range adjustable magnetic positioning device for a superconducting magnet used in a gyroscopic traveling wave tube. The device includes a superconducting magnet and two coaxially arranged left and right compensation coils connected to the left and right end faces of the superconducting magnet. A temperature-controlled hole is formed through the middle of the superconducting magnet, into which the gyroscopic traveling wave tube is inserted. Both ends of the superconducting magnet have a first groove and a second groove for positioning and securing the left and right compensation coils. This invention increases the movable axial distance between the compensation coils and the superconducting magnet while maintaining a constant compensation coil current, thereby effectively improving the range and accuracy of the magnetic positioning device, allowing the gyroscopic traveling wave tube to operate at its optimal performance. It features convenient use, simple operation, high sensitivity, high accuracy, a wide range of magnetic positioning variations, and rich combinations of magnetic positioning methods.
Owner:NO 15 INST OF CHINA ELECTRONICS TECH GRP